7620695880 has 128 divisors (see below), whose sum is σ = 26274585600. Its totient is φ = 1732108032.

The previous prime is 7620695813. The next prime is 7620695969. The reversal of 7620695880 is 885960267.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125019 + ... + 175701.

It is an arithmetic number, because the mean of its divisors is an integer number (205270200).

Almost surely, 2^7620695880 is an apocalyptic number.

7620695880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7620695880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13137292800).

7620695880 is an abundant number, since it is smaller than the sum of its proper divisors (18653889720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7620695880 is a wasteful number, since it uses less digits than its factorization.

7620695880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50883 (or 50879 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 7620695880 is about 87296.5971845409. The cubic root of 7620695880 is about 1967.8781796330.

The spelling of 7620695880 in words is "seven billion, six hundred twenty million, six hundred ninety-five thousand, eight hundred eighty".